#include <stdio.h>



/*
brief: main function
detail: test makefile
*/
void main(void)
{

    unsigned char a = 260;
    char arr[7] = "xu zhou";
    printf("chaos is a good thing");
    //in feature
    printf("name%s", arr);
    printf("in feature print overbround unsigned char%d\n", a);
    printf("in feature print overbround unsigned char%d\n", a);
}